code: def get_default_configs(self) -> List[VastAIConfigInfoWithCreds]:
      return []
  
file_path: dstack/src/dstack/_internal/server/services/backends/configurators/vastai.py
imports: import json
  from typing import List
  from dstack._internal.core.backends.vastai import VastAIBackend, api_client
  from dstack._internal.core.backends.vastai.config import VastAIConfig
  from dstack._internal.core.models.backends.base import BackendType, ConfigElementValue, ConfigMultiElement
  from dstack._internal.core.models.backends.vastai import AnyVastAIConfigInfo, VastAIConfigInfo, VastAIConfigInfoWithCreds, VastAIConfigInfoWithCredsPartial, VastAIConfigValues, VastAICreds, VastAIStoredConfig
  from dstack._internal.server.models import BackendModel, ProjectModel
  from dstack._internal.server.services.backends.configurators.base import Configurator, raise_invalid_credentials_error
label_desc: Use image node_id 1 for calling the VastAIConfigurator obj's underlying member method code with example usage: obj.get_default_configs() and returns: list